1 //===-- ProjectAwareIndexTests.cpp -------------------*- C++ -*-----------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 #include "Config.h"
10 #include "TestIndex.h"
11 #include "index/Index.h"
12 #include "index/MemIndex.h"
13 #include "index/ProjectAware.h"
14 #include "index/Ref.h"
15 #include "index/Relation.h"
16 #include "support/Context.h"
17 #include "support/Threading.h"
18 #include "llvm/ADT/StringRef.h"
19 #include "gmock/gmock.h"
20 #include "gtest/gtest.h"
21 #include <memory>
22 #include <utility>
23
24 namespace clang {
25 namespace clangd {
26 using testing::ElementsAre;
27 using testing::IsEmpty;
28
createIndex()29 std::unique_ptr<SymbolIndex> createIndex() {
30 SymbolSlab::Builder Builder;
31 Builder.insert(symbol("1"));
32 return MemIndex::build(std::move(Builder).build(), RefSlab(), RelationSlab());
33 }
34
TEST(ProjectAware,Test)35 TEST(ProjectAware, Test) {
36 IndexFactory Gen = [](const Config::ExternalIndexSpec &, AsyncTaskRunner *) {
37 return createIndex();
38 };
39
40 auto Idx = createProjectAwareIndex(std::move(Gen), true);
41 FuzzyFindRequest Req;
42 Req.Query = "1";
43 Req.AnyScope = true;
44
45 EXPECT_THAT(match(*Idx, Req), IsEmpty());
46
47 Config C;
48 C.Index.External.Kind = Config::ExternalIndexSpec::File;
49 C.Index.External.Location = "test";
50 WithContextValue With(Config::Key, std::move(C));
51 EXPECT_THAT(match(*Idx, Req), ElementsAre("1"));
52 return;
53 }
54
TEST(ProjectAware,CreatedOnce)55 TEST(ProjectAware, CreatedOnce) {
56 unsigned InvocationCount = 0;
57 IndexFactory Gen = [&](const Config::ExternalIndexSpec &, AsyncTaskRunner *) {
58 ++InvocationCount;
59 return createIndex();
60 };
61
62 auto Idx = createProjectAwareIndex(std::move(Gen), true);
63 // No invocation at start.
64 EXPECT_EQ(InvocationCount, 0U);
65 FuzzyFindRequest Req;
66 Req.Query = "1";
67 Req.AnyScope = true;
68
69 // Cannot invoke without proper config.
70 match(*Idx, Req);
71 EXPECT_EQ(InvocationCount, 0U);
72
73 Config C;
74 C.Index.External.Kind = Config::ExternalIndexSpec::File;
75 C.Index.External.Location = "test";
76 WithContextValue With(Config::Key, std::move(C));
77 match(*Idx, Req);
78 // Now it should be created.
79 EXPECT_EQ(InvocationCount, 1U);
80 match(*Idx, Req);
81 // It is cached afterwards.
82 EXPECT_EQ(InvocationCount, 1U);
83 return;
84 }
85 } // namespace clangd
86 } // namespace clang
87